Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
How Axis Tilt Affects the Intensity of Solar Radiation
The primase-polymerase switch during lagging strand synthesis
Apadana (Audience Hall) of Darius and Xerxes
Seismic Intensity Map, Loma Prieta 1989
The volume of a well is 40.0 ft3. How many kilograms of concrete will it take to fill the well ...
Estimating Potential Blood Volume Loss (Part 2)